1011223340 has 48 divisors (see below), whose sum is σ = 2157321600. Its totient is φ = 398103552.

The previous prime is 1011223277. The next prime is 1011223349. The reversal of 1011223340 is 433221101.

It is not an unprimeable number, because it can be changed into a prime (1011223349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424232 + ... + 426608.

It is an arithmetic number, because the mean of its divisors is an integer number (44944200).

Almost surely, 2^1011223340 is an apocalyptic number.

1011223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011223340 is an abundant number, since it is smaller than the sum of its proper divisors (1146098260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011223340 is a wasteful number, since it uses less digits than its factorization.

1011223340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1011223340 is about 31799.7380492356. The cubic root of 1011223340 is about 1003.7272040240.

Adding to 1011223340 its reverse (433221101), we get a palindrome (1444444441).

The spelling of 1011223340 in words is "one billion, eleven million, two hundred twenty-three thousand, three hundred forty".